3-in-1 Jackets Buying Guide

3-in-1 Jackets Buying Guide

The 3-in-1 jacket is unique because of its versatility. These jackets are a great addition to any winter wardrobe. They also make a good investment if you spend time outdoors.

There are many options available across a range of price points, so it is a good idea to get educated before leaping.

This guide will tell you everything you need to buy a 3-in-1 jacket.

What’s a 3-in-1 Jacket?

Layering is essential when winter sets in. Layering multiple layers of clothing will help trap air and insulate the body.

The 3-in-1 jacket comprises a waterproof outer layer and an insulating middle layer. The clever integrated zip system allows you to attach or remove the mid-layer. To create the ultimate winter shield, you can wear both layers separately or together.

Although 3-in-1 jackets may seem expensive, when you think about all the ways you can wear them, you will see that they are very affordable. The 3-in-1 coat can be worn all year. You can wear the three layers in winter and unzip the fleece to go on autumn walks. Or you can grab the outer layer for protection from the summer rains.

You can buy jacket and fleece layers separately if you don’t have the funds to purchase everything at once. These jackets are called ‘interactive’ (or ‘IA’). You should ensure that the items you purchase are compatible since different brands might use different zip systems.

Outer layer

The shell layer of a 3-in-1 3-in-1 should offer waterproof protection as your first line of defence against the elements. Fabrics can be made waterproof by either coating or membrane construction. A membrane fabric coat offers greater breathability and protection but is more expensive.

Manufacturers of waterproof membranes often give their technology a specific name. GORE-TEX is a well-known name, but you should also be aware of other waterproof membranes, such as eVent (Polartec Neoshell), Pertex Shield (Craghoppers), AquaDry (Craghoppers), DryVent, Futurelight (The North Face).

Our Tip

Waterproof materials lose their effectiveness over time. You can extend the life expectancy of your jacket by’reproofing’ it.

Inner Layer

Your 3-in-1 jacket’s inner layer is what keeps your body warm. The inner layer is an insulating middle layer that can be zipped into the outer shell. The fleece is the most common inner layer in a 3-in-1 jacket. However, softshell jackets can be used from time to time.


Synthetic fleeces, made to look like sheep’s wool and are light and warm, make great insulation for your waterproof jacket.


Although softshell mid-layers can be lightweight, they are not as warm as fleece. They are more versatile than fleeces because they can be used as standalone jackets and offer greater protection against wind and rain. If you are looking to get active, the stretchy fabric allows for greater freedom of movement.

You now have a good idea of the basics of 3-in-1 jackets. It’s time for you to start looking for the perfect one! Millets have a large selection of 3-in-1 jackets for men and women, as well as smaller versions that are suitable for children.

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